1 sy10elt22l sy100elt22l micrel, inc. m9999-120705 hbwhelp@micrel.com or (408) 955-1690 description 3.3v power supply 300ps typical propagation delay <100ps output-to-output skew differential pecl outputs pnp ttl inputs for minimal loading flow-through pinouts available in 8-pin soic package the sy10/100elt22l are dual ttl-to-differential pecl translators with +3.3v power supply. because pecl (positive ecl) levels are used, only +3.3v and ground are required. the small outline 8-lead soic package and the low skew, dual gate design of the elt22l makes it ideal for applications which require the tranlation of a clock and a data signal. the elt22l is available in both ecl standards: the 10elt is compatible with positive ecl 10h logic levels, while the 100elt is compatible with positive ecl 100k logic levels. features 3.3v dual ttl-to-differential pecl translator pin names pin function q n differential pecl outputs d n ttl inputs v cc +3.3v supply gnd ground sy10elt22l sy100elt22l rev.: i amendment: /0 issue date: december 2005
2 sy10elt22l sy100elt22l micrel, inc. m9999-120705 hbwhelp@micrel.com or (408) 955-1690 package/ordering information ordering information (1) package operating package lead part number type range marking finish sy10elt22lzc z8-1 commercial hel22l sn-pb sy10elt22lzctr (2) z8-1 commercial hel22l sn-pb sy100elt22lzc z8-1 commercial xel22l sn-pb sy100elt22lzctr (2) z8-1 commercial xel22l sn-pb sy10elt22lzg (3) z8-1 industrial hel22l with pb-free pb-free bar-line indicator nipdau SY10ELT22LZGTR (2, 3) z8-1 industrial hel22l with pb-free pb-free bar-line indicator nipdau sy100elt22lzg (3) z8-1 industrial xel22l with pb-free pb-free bar-line indicator nipdau sy100elt22lzgtr (2, 3) z8-1 industrial xel22l with pb-free pb-free bar-line indicator nipdau notes: 1. contact factory for die availability. dice are guaranteed at t a = 25 c, dc electricals only. 2. tape and reel. 3. pb-free package is recommended for new designs. 1 q0 / q0 q1 / q1 8 vcc d0 gnd 7 6 5 2 3 4 d1 pecl ttl 8-pin soic (z8-1)
3 sy10elt22l sy100elt22l micrel, inc. m9999-120705 hbwhelp@micrel.com or (408) 955-1690 t a = -40 ct a = 0 ct a = +25 ct a = +85 c symbol parameter min. max. min. max. min. max. min. max. unit condition i cc power supply current 25 25 25 25 ma truth table dq q hh l ll h open h l dc electrical characteristics (1) v cc = +3.0v to +3.8v note: 1. parametric values specified at: 3 volt power supply range 10/100elt22l series: +3.0v to +3.8v. symbol paramter value unit v cc power supply voltage ?.5 to +7.0 v v i ttl input voltage ?.5 to v cc v i i ttl input current ?0 to +5.0 ma i out pecl output current ma ?continuous 50 ?surge 100 t lead lead temperature +260 c (soldering, 20sec.) t store storage temperature ?5 to +150 c t a operating temperature ?0 to +85 c note: 1. permanent device damage may occur if absolute maximum ratings are exceeded. this is a stress rating only and functional operation is not implied at conditions other than those detailed in the operational sections of this data sheet. exposure to absolute maximum ratlng conditions for extended periods may affect device reliability. absolute maximum ratings (1) ttl dc electrical characteristics (1) t a = -40 ct a = 0 ct a = +25 ct a = +85 c symbol parameter min. max. min. max. min. max. min. max. unit condition v ih input high voltage 2.0 2.0 2.0 2.0 v v il input low voltage 0.8 0.8 0.8 0.8 v i ih input high current 20 20 20 20 av in = 2.7v 100 100 100 100 v in = v cc i il input low current ?.2 ?.2 ?.2 ?.2 ma v in = 0.5v v ik input clamp voltage ?.2 ?.2 ?.2 ?.2 v i in = ?8ma v cc = +3.0v to +3.8v note: 1. parametric values specified at: 3 volt power supply range 10/100elt22l series: +3.0v to +3.8v.
4 sy10elt22l sy100elt22l micrel, inc. m9999-120705 hbwhelp@micrel.com or (408) 955-1690 t a = -40 ct a = 0 ct a = +25 ct a = +85 c symbol parameter min. typ. max. min. typ. max. min. typ. max. min. typ. max. unit v oh output high voltage (2) mv 10elt 2220 2410 2280 2460 2320 2490 2390 2580 100elt 2220 2420 2275 2420 2275 2420 2275 2420 v ol output low voltage (2) mv 10elt 1350 1650 1350 1670 1350 1670 1350 1705 100elt 1470 1750 1490 1680 1490 1680 1490 1680 v cc = v cc (min.) to v cc (max.) notes: 1. parametric values specified at: 3 volt power supply range 10/100elt22l series: +3.0v to +3.8v. 2. these values are for v cc = 3.3v. level specifications will vary 1:1 with v cc . pecl dc electrical characteristics (1) t a = -40 ct a = 0 ct a = +25 ct a = +85 c symbol parameter min. max. min. max. min. max. min. max. unit condition t pd propagation delay to output d, 100 600 100 600 100 600 100 600 ps 50 ? to v cc ?2.0v enecl/enttl t r output rise/fall time 200 500 200 500 200 500 200 500 ps 50 ? to v cc ?2.0v t f 20% to 80% t skpp part-to-part skew (2) 500 500 500 500 ps 50 ? to v cc ?2.0v t skew within-device skew (2,3) 100 100 100 100 ps 50 ? to v cc ?2.0v notes: 1. parametric values specified at: 3 volt power supply range 10/100elt22l series: +3.0v to +3.8v. 2. guaranteed, but not tested. 3. same transition @common v cc levels. ac electrical characteristics (1) v cc = +3.0v to +3.8v
5 sy10elt22l sy100elt22l micrel, inc. m9999-120705 hbwhelp@micrel.com or (408) 955-1690 8-pin soic .150" wide (z8-1) rev. 03 micrel, inc. 2180 fortune drive san jose, ca 95131 usa tel + 1 (408) 944-0800 fax + 1 (408) 474-1000 web http://www.micrel.com the information furnished by micrel in this datasheet is believed to be accurate and reliable. however, no responsibility is as sumed by micrel for its use. micrel reserves the right to change circuitry and specifications at any time without notification to the customer. micrel products are not designed or authorized for use as components in life support appliances, devices or systems where malfu nction of a product can reasonably be expected to result in personal injury. life support devices or systems are devices or systems that (a) are intend ed for surgical implant into the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a significant inj ury to the user. a purchaser? use or sale of micrel products for use in life support appliances, devices or systems is at purchaser? own risk and purchaser agrees to fully indemnify micrel for any damages resulting from such use or sale. ?2005 micrel, incorporated.
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